13218400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 36747648

約数和(自身を除く): 23529248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 41, 50, 52, 62, 65, 80, 82, 100, 104, 124, 130, 155, 160, 164, 200, 205, 208, 248, 260, 310, 325, 328, 400, 403, 410, 416, 496, 520, 533, 620, 650, 656, 775, 800, 806, 820, 992, 1025, 1040, 1066, 1240, 1271, 1300, 1312, 1550, 1612, 1640, 2015, 2050, 2080, 2132, 2480, 2542, 2600, 2665, 3100, 3224, 3280, 4030, 4100, 4264, 4960, 5084, 5200, 5330, 6200, 6355, 6448, 6560, 8060, 8200, 8528, 10075, 10168, 10400, 10660, 12400, 12710, 12896, 13325, 16120, 16400, 16523, 17056, 20150, 20336, 21320, 24800, 25420, 26650, 31775, 32240, 32800, 33046, 40300, 40672, 42640, 50840, 53300, 63550, 64480, 66092, 80600, 82615, 85280, 101680, 106600, 127100, 132184, 161200, 165230, 203360, 213200, 254200, 264368, 322400, 330460, 413075, 426400, 508400, 528736, 660920, 826150, 1016800, 1321840, 1652300, 2643680, 3304600, 6609200, 13218400]

約数ペア:

[(1, 13218400), (2, 6609200), (4, 3304600), (5, 2643680), (8, 1652300), (10, 1321840), (13, 1016800), (16, 826150), (20, 660920), (25, 528736), (26, 508400), (31, 426400), (32, 413075), (40, 330460), (41, 322400), (50, 264368), (52, 254200), (62, 213200), (65, 203360), (80, 165230), (82, 161200), (100, 132184), (104, 127100), (124, 106600), (130, 101680), (155, 85280), (160, 82615), (164, 80600), (200, 66092), (205, 64480), (208, 63550), (248, 53300), (260, 50840), (310, 42640), (325, 40672), (328, 40300), (400, 33046), (403, 32800), (410, 32240), (416, 31775), (496, 26650), (520, 25420), (533, 24800), (620, 21320), (650, 20336), (656, 20150), (775, 17056), (800, 16523), (806, 16400), (820, 16120), (992, 13325), (1025, 12896), (1040, 12710), (1066, 12400), (1240, 10660), (1271, 10400), (1300, 10168), (1312, 10075), (1550, 8528), (1612, 8200), (1640, 8060), (2015, 6560), (2050, 6448), (2080, 6355), (2132, 6200), (2480, 5330), (2542, 5200), (2600, 5084), (2665, 4960), (3100, 4264), (3224, 4100), (3280, 4030)]